vulnerability
VMSA-2021-0014: SFCB improper authentication vulnerability (CVE-2021-21994)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Jul 13, 2021 | Jul 26, 2021 | Oct 7, 2025 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Jul 13, 2021
Added
Jul 26, 2021
Modified
Oct 7, 2025
Description
SFCB (Small Footprint CIM Broker) as used in ESXi has an authentication bypass vulnerability. A malicious actor with network access to port 5989 on ESXi may exploit this issue to bypass SFCB authentication by sending a specially crafted request.
Solutions
vmware-esxi65-upgrade-18071574vmware-esxi67-upgrade-17700523vmware-esxi700-upgrade-17630552vmware-esxi701-upgrade-17630552vmware-esxi702-upgrade-17630552
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